#define _CRT_SECURE_NO_WARNINGS



#include <stdio.h>
int main()
{
    float kg = 0;
    float m = 0;
    scanf("%f %f", &kg, &m);
    double sum = kg / (m * m);
    if (sum >= 18.5 && sum <= 23.9)
    {
        printf("Normal");
    }
    else
    {
        printf("Abnormal");
    }
    return 0;
}